Just How Bad Is the Storm Worm?

The Storm worm has earned its share of superlatives, but security experts disagree over just how many computers running Microsoft Windows have been compromised by the e-mail worm. Some new figures released from Microsoft and estimates obtained by Security Fix may help shed some light on the size and sheer firepower of what's being called one of the largest and most sophisticated cyber fraud networks ever constructed.

Some experts have put the number of Storm-infected PCs at close to 10 million, but most estimates are more conservative, pegging the infected pool at between a few hundred thousand and a million or so machines. In an attempt to learn more precise and timely estimates, Security Fix decided to combine the resources of two well-regarded security and spam sources. Just How Bad Is the Storm Worm? - Security Fix